The best smart bicycle helmet We've Tested: Top Reviews by Experts

Built-in speakers and mic enable you to listen to your music and your surroundings

Group Intercom allows you to communicate with up to three other riders

Bluetooth connectivity pairs to your smartphone so you can access features on-the-go

Comfortable and secure design, with removable and washable padding, nylon chinstrap, and spin lock

Customize settings such as friend groups, radio presets, and more using a dedicated smartphone app

16 CFR Part 1203 certified. Optional Sena R1 Visor can be attached for added sun protection (sold separately)

Operating Temperature: -10˚C - 50˚C (14°F - 122°F).Charging temperature: 0˚C – 45˚C (32°F – 113°F)

▶ Sports camera ◀ KRS-S1 is a sports camera integrated smart helmet with a front 1080P 60 fps high speed motion camera that allows you to start recording your beautiful journey anytime and anywhere, through TYPE C data cable, video and photos can be transferred directly to your computer. It can support up to 128GB TF card. (64GB TF card included)

▶ Smart Bluetooth Helmet ◀ Dual antenna 5.0 Bluetooth audio system, ultra-stable Bluetooth connection, high-quality stereo sound, playing beautiful music to improve your riding pleasure, can wake up your phone on the intelligent voice assistant and easily to answer the phone. Helmet waterproof to IPX5 level and can be daily waterproof.

▶ Security lighting ◀ Wireless remote control turns to the safety light, automatically senses brakes and falls and alerts the vehicle behind with an automatic flashing high-beam light. Installing the remote control on the vehicle handlebar can actively control the left and right turn signals and double flashing lights. At night within 150 meters, other drivers are also clearly visible, thus making the ride safer.

▶ Safety and security ◀The helmet is made of reinforced PC material with polymer foam material in a single molding process, which is super comfortable and lightweight, which greatly enhances the impact resistance of the helmet and provides safer daily work on the road. Features magnetic replaceable goggles and comes with removable windproof ear protection. Helmet provides two sizes to choose from, refer to the size chart and measure your head circumference.

▶ Brand & Service ◀KRS-S1 is the new 2022 smart helmet with more stable Bluetooth system and higher speed motion camera. KRACESS focus on research and development of intelligent cycling equipment to protect the majoeity of cycling enthusiasts. If you encounter any problems in use, please contact us in time to help you solve your worries. KRACESS provides 1-year after-sales quality assurance service, you can rest assured to buy.

SAFETY - This GROTTICO bike helmet meets US & EU cycling standards.

ADJUSTABLE DIAL & STRAPS - The adjustable fit system for men and women. 2 sizes for choice, suggested head circumference: M (55-58CM), L (59-61CM)

INTEGRATED SAFETY REAR LIGHT - Bicycle helmet with USB rechargeable light. Best for night riding with 3 lighting modes, Steady, Flash and Wave.

TOUGH & LIGHTWEIGHT - In-mold construction fuses a tough polycarbonate outer shell with the impact-absorbing foam liner. The fusion process makes in-mold helmets lighter and cooler than traditional helmets.

KEEP YOUR HEAD COOL - 23 vents keep ample ventilation. Provide one more set of helmet replacement inner pads and two different color visors to collocation.

An extra layer of safety - Take your bike helmet to a new level with bright front and rear LED lights, making you visible to vehicles from all angles. The Lumos Ultra is the most backed Kickstarter project in the "bike" category as well as the most funded in the "bike accessories" category.

Turning Left or Right? - The bright helmet LED lights lets those behind you know which way you are turning, controlled by the wireless handlebar-mounted remote.

Gift your cyclist buddy - The Lumos Ultra is guaranteed to draw a huge smile on any rider. You would not want another helmet after riding with the Lumos Ultra.

MIPS Head Protection - MIPS stands for Multi-Directional Impact Protection System. A MIPS helmet has a clever safety design to help protect your head by letting the helmet absorb rotational impact force.

Smartphone connection - Customize the pattern of your helmet LEDs, adjust the brightness, synchronize your lights to other helmets using our new Team Sync feature and track your rides all from your phone. The battery can last up to 10 hours and uses a Universal USB Type-C charging cable.

Built-in speakers and mic enable you to listen to your music and your surroundings

Group Intercom allows you to communicate with up to three other riders

Bluetooth connectivity pairs to your smartphone so you can access features on-the-go

Comfortable and secure design, with removable and washable padding, nylon chinstrap, and spin lock

Customize settings such as friend groups, volume levels, and more using a dedicated smartphone app. Optional Sena R1 Visor can be attached for added sun protection (sold separately). Age grade: 13 years & up

【Magnetic Goggles】: The goggle of this bike helmet is suitable for mountain bike and road bike cycling. Remove or wear the goggle according to different riding needs, bike helmet men women meets your 3 needs-goggles up, goggles down and no goggles.

【High Safety Protection】: Our cycling helmet is made of durable high-density EPS foam and PC shell material. Manufactured by integrated-molding technology, it complies with American safety standards and provides the greatest guarantee for your safety.

【Fit Different Head Size】: Our biking helmet has an easy-to-use dial system, suitable for adult men women with a head circumference of 58-61 cm (22.83-24"). The reflective strap and dial system can be adjusted horizontally and vertically in seconds to secure the helmet from shaking.

【Extreme Comfort】: The soft and removable moisture-wicking pad will give you a feeling of embrace while cycling. When an accident occurs, the cushion can absorb the impact to protect your head. Wearing a comfortable helmet can greatly reduce the burden on your head and neck, and provide maximum protection.

【Super Convenient Gift】: An extra backpack bag is included in package. When you don' t need to wear the cycling helmet, you can use backpack bag to store bicycle helmet.

Kickstart is our original crowd-funded smart helmet. It’s practical

It’s turn indicators and automatic brake lights are very intuitive to drivers

Protection: impact resistant EPS foam liner and PolyCarbonate shell

Prevention: be seen on the roads with 500 lumens of front and rear lighting visible at eye-level from 360 degrees

Helmet size fits heads from 21-1/4” to 24” (54cm to 61cm)

With every purchase includes a helmet, charging cable, wireless remote, rubber bands and getting started card

▶Driving Recorder◀ KRACESS's newly developed smart helmet, equipped with an IP Full HD 1080p Front Camera, can be used as a driving recorder or an action camera. The helmet supports a built-in memory card of up to 64GB（Included）， When the memory is full, it will be deleted automatically ， to record the good scenery along the way, and share your journey with your relatives and friends.

▶Bluetooth Smart Helmet◀ High-quality stereo sound, built-in loudspeaker and windproof microphone, can make calls/play music/voice navigation clearly.Beautiful music enhances your riding pleasure. Helmet waterproof to ipx5 levels, you can ride in the Rain ( For your security, do not running for a long time in the rain ).

▶Security Lights◀ The helmet can automatically sense acceleration / deceleration / fall, and alert the rear vehicles with highlight warning light.Installing the remote control on the vehicle handle can actively control the left and right turn signal lamp / double signal.Within 150 meters at night, other drivers are also clearly visible, making the ride safer.

▶Safety Protection◀ The Shell adoptes PC+EPS in the film forming process, super comfortable, lightweight, have greatly enhanced the helmet impact resistance, provides safer daily work on the road. Using magnetic-replaceable goggles with removable windproof ear protection,the helmet is comfortable for most head circumferences of 21.65-24.4 inches.

▶Brand and Service◀ KRACESS spent 3 years developing this adult smart cycling helmet, with a utility model patent, for the majority of cycling enthusiasts escort.If you encounter any problems during use, please contact us in time to help you solve your worries. KRACESS provides one-year after-sales warranty service, you can buy with confidence.

▶Driving Recorder◀ KRACESS's newly developed smart helmet, equipped with an IP Full HD 1080p Front Camera, can be used as a driving recorder or an action camera. The helmet supports a built-in memory card of up to 64GB（Included）， When the memory is full, it will be deleted automatically ， to record the good scenery along the way, and share your journey with your relatives and friends.

▶Bluetooth Smart Helmet◀ High-quality stereo sound, built-in loudspeaker and windproof microphone, can make calls/play music/voice navigation clearly.Beautiful music enhances your riding pleasure. Helmet waterproof to ipx5 levels, you can ride in the Rain ( For your security, do not running for a long time in the rain ).

▶Security Lights◀ The helmet can automatically sense acceleration / deceleration / fall, and alert the rear vehicles with highlight warning light.Installing the remote control on the vehicle handle can actively control the left and right turn signal lamp / double signal.Within 150 meters at night, other drivers are also clearly visible, making the ride safer.

▶Safety Protection◀ The Shell adoptes PC+EPS in the film forming process, super comfortable, lightweight, have greatly enhanced the helmet impact resistance, provides safer daily work on the road. Using magnetic-replaceable goggles with removable windproof ear protection,the helmet is comfortable for most head circumferences of 21.65-24.4 inches.

▶Brand and Service◀ KRACESS spent 3 years developing this adult smart cycling helmet, with a utility model patent, for the majority of cycling enthusiasts escort.If you encounter any problems during use, please contact us in time to help you solve your worries. KRACESS provides one-year after-sales warranty service, you can buy with confidence.

【BLUETOOTH SPEAKERS】BT5.0 Audio Communication. With built-in stereo speakers and windproof microphone, free your hand to dial/answer calls, listen to mainstream media, hear the navigation and use voice assistant.

【TURN SIGNALS/BRAKE LIGHT】Lights up, highly visible at night. The helmet is equipped with 500 lumens rear LED light, can remote left/right/strobe by controller. The blinkers will be blinking when it detects speed change like braking or falling down.

【DASH CAM/RIDING RECORDER】Enhance riding safety with camera. The full-HD front camera, can be used as a driving recorder/action camera during cycling, maximum support 64GB TF card. Please insert a TF card before using this function.

【SAFETY&LIGHT MATERIALS】RENOLS adapts high density foam EPS and PC shell to enhance safety while using soft liners and four vents to make sure it is breathable and comfortable in wearing. The accessories include a detachable magnetic sun visor and removable earmuffs for different weathers and seasons.

【HEAD SIZE】This is a free-size helmet, and it has a dial to adjust the size tighten/loosen on the back. The fittest head circumference is 22-24 inches (56-61cm). RENOLS guaranteed the smart helmet will have 1 year after-sale service. If you have any problem during use, please contact us for help.